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Finding the Fourth Proportional to 157,813.83, 217,779.72 and 86,194.14

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Solution

The fourth proportional to 157,813.83, 217,779.72 and 86,194.14 is: 118,946.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,813.83 : 217,779.72 = 86,194.14 : x
  2. Step 2: Convert to fraction form
    157,813.83/217,779.72 = 86,194.14/x
  3. Step 3: Cross multiply
    157,813.83x = 217,779.72 × 86,194.14
  4. Step 4: Simplify right side
    157,813.83x = 18,771,335,674.84
  5. Step 5: Solve for x
    x = 18,771,335,674.84/157,813.83
  6. Step 6: Final answer
    x = 118,946.08

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